1052446921920 has 168 divisors, whose sum is σ = 3708271476000. Its totient is φ = 273807298560.

The previous prime is 1052446921913. The next prime is 1052446921927. The reversal of 1052446921920 is 291296442501.

1052446921920 is a `hidden beast` number, since 1 + 0 + 524 + 4 + 6 + 92 + 19 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (1052446921913) and next prime (1052446921927).

It is a super-2 number, since 2×1052446921920² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1052446921927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4338420 + ... + 4574579.

It is an arithmetic number, because the mean of its divisors is an integer number (22073044500).

Almost surely, 2^{1052446921920} is an apocalyptic number.

1052446921920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052446921920 is an abundant number, since it is smaller than the sum of its proper divisors (2655824554080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1052446921920 is a wasteful number, since it uses less digits than its factorization.

1052446921920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8913063 (or 8913050 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 1052446921920 in words is "one trillion, fifty-two billion, four hundred forty-six million, nine hundred twenty-one thousand, nine hundred twenty".